geometry.java

JAVA3D矩陈的相关类

/*
 * $RCSfile: Geometry.java,v $
 *
 * Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
 *
 * Use is subject to license terms.
 *
 * $Revision: 1.5 $
 * $Date: 2007/02/09 17:18:00 $
 * $State: Exp $
 */

package javax.media.j3d;

/**
 * Geometry is an abstract class that specifies the geometry
 * component information required by a Shape3D node. Geometry objects
 * describe both the geometry and topology of the Shape3D nodes that
 * reference them. Geometry objects consist of four generic geometric
 * types:<P>
 * <UL><LI>Compressed Geometry</LI>
 * <LI>GeometryArray</LI>
 * <LI>Raster</LI>
 * <LI>Text3D</LI>
 * </UL><P>
 * Each of these geometric types defines a visible object or set of
 * objects. A Geometry object is used as a component object of a Shape3D
 * leaf node.
 * 
 */

public abstract class Geometry extends NodeComponent {

    /**
     * Specifies that this Geometry allows intersect operation. This
     * capability bit is set (true) by default for all Geometry objects.
     */
    public static final int
    ALLOW_INTERSECT = CapabilityBits.GEOMETRY_ALLOW_INTERSECT;

   // Array for setting default read capabilities
    private static final int[] readCapabilities = {
        ALLOW_INTERSECT
    };
    
    /**
     * Constructs a new Geometry object.
     */
    public Geometry() {
        // set default read capabilities
        setDefaultReadCapabilities(readCapabilities);
    }
}